There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 12AM to 7AM | 12PM to 6AM | 3PM to 10PM |
| 11AM to 3PM | 12PM to 1AM | 11AM to 4AM |
| 3AM to 2PM | 7PM to 3PM | 10AM to 2AM |
| 6PM to 3AM | 1AM to 11PM | 2PM to 7PM |
| 5PM to 8AM | 6AM to 11AM | 1PM to 9PM |
| 9AM to 7PM | 7PM to 4PM | 9AM to 1AM |
